The Maldives first participated at the Olympic Games in 1988. It has sent athletes to compete in every Summer Olympic Games since, but has not participated in the Winter Olympic Games.
The Federated States of Micronesia sent a team of five athletes to compete at the 2008 Summer Olympics in Beijing, China. The appearance of the delegation marked the third appearance by a Micronesians team at the Olympics since its debut at the 2000 Summer Olympics in Sydney, Australia. Three male athletes and two female athletes comprised the Olympic team. None of the track or swimming athletes advanced past the qualification round, and Minginfel placed second to last in his event. There has yet to be a medalist from the Federated States of Micronesia. Minginfel held the Micronesian flag in the opening ceremony.
Francesca Jean Halsall is a retired English competitive swimmer who has represented Great Britain at the Olympics, FINA world championships, and European championships, and England at the Commonwealth Games. She competed primarily in freestyle and butterfly events.
Annabelle Williams, is a Paralympic swimming competitor from Australia. She has a congenital limb deficiency. She appeared in Mad Max 4. Representing Australia, she has won a gold medal at the 2012 London Paralympic Games in the 4 × 100 m medley relay, a bronze medal at the 2008 Summer Paralympics in the Women's 100 m Butterfly S9. At the 2006 Commonwealth Games, she earned a silver medal in the Women's 50 m Freestyle S9 and a bronze in the Women's 100 m Multi Disability Freestyle. At the 2010 Commonwealth Games, she earned a silver in the Women's 50 m Freestyle S9 event.
Julia Hassler is an Olympic and national-record holding swimmer from Liechtenstein. She swam for and was Liechtenstein closing-ceremony flagbearer at the 2012 Olympics. She has also swam for Liechtenstein at several other international competitions including the: World Championships (2011), Games of the Small States of Europe, European Championships (2014), Short Course Worlds and Youth Olympics (2010).
Danielle Villars is a Swiss swimmer who specialized in freestyle and butterfly events. She has won multiple Swiss titles and currently holds four national records in both freestyle and butterfly. Villars is a resident athlete for the Limmat Sharks, and is coached and trained by Dirk Reinicke.
Amy Louis Smith is a British swimmer.
Yayoi Matsumoto is a Japanese swimmer. At the 2012 Summer Olympics, she competed for the national team in the Women's 4 × 100 metre freestyle relay, finishing in 7th place in the final. She also competed in the women's 50m freestyle, finishing with a time of 25.73 seconds in 35th place in the heats, and the 4 x 200 m freestyle relay. At the 2016 Summer Olympics, she competed in the 50 m freestyle, finishing in 43rd, and was part of the Japanese women's 4 x 100 m freestyle team.
Melanie Nocher is an Irish swimmer. She competed in the 200 m freestyle and 200 m backstroke at the 2008 Summer Olympics. She competed at the 2012 Summer Olympics in the women's 100 metre backstroke, finishing in 33rd place in the heats, failing to qualify for the semifinals. She also competed in the 200 m backstroke but again did not qualify for the semifinals.
Clemens Andreas Rapp is a German swimmer. He competed at the 2012 Summer Olympics in the 200 m freestyle, finishing in 24th place in the heats, failing to qualify for the semifinals. His team was placed fourth in the 4 × 200 m freestyle relay.
Nina Rangelova is a Bulgarian swimmer.
Natthanan Junkrajang is a Thai swimmer. At the 2008 Summer Olympics, she competed in the women's 100 and 200 m freestyle events. She competed at the 2012 Summer Olympics in the Women's 200 and 400 metre freestyle events, finishing 30th in the 200 m heats and 29th in the 400 m heats, failing to qualify for the final.
Christopher Duenas is an Olympic and national record holding swimmer from Guam. He has swum for Guam at the:
Bayan Jumah is a Syrian swimmer from Aleppo who specializes in butterfly and freestyle events. An ISG silver medalist and Syrian national champion and record-holder. Jumah was the second Syrian female swimmer to compete at the Olympic Games, following Marella Mamoun in 2000.
Tjaša Oder is a Slovenian swimmer. At the 2012 Summer Olympics, she competed in the Women's 800 metre freestyle, finishing in 25th place overall in the heats, failing to qualify for the final.
An Se-hyeon is a South Korean swimmer.
Anastasiya Tyurina is a Tajikistani swimmer. She competed in the women's 50 metre freestyle event at the 2016 Summer Olympics, finishing 73rd with a time of 31.15 seconds and failing to advance out of the heats.
Roukaya Moussa Mahamane is a Nigerien swimmer. She competed in the women's 50 metre freestyle event at the 2016 Summer Olympics, where she ranked 83rd with a time of 36.50 seconds, a national record. She did not advance to the semifinals.
Lu Dong is a Chinese Paralympic swimmer, who won gold and silver medals at the 2012 Summer Paralympics and a silver medal at the 2016 Summer Paralympics. She got 38.28 seconds on 50m butterfly. At the 2020 Summer Paralympics she won four gold medals with three world record. Lu lost both her arms after being hit by a motorist at age six.
Taeyanna Adams is a Micronesian swimmer, who is the national record holder in multiple events. She competed in the 100 metre breaststroke event at the delayed 2020 Summer Olympics.
Federated States of Micronesia 
